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Lelechka [254]
3 years ago
9

HELP ASAP PLEASE!! Thank you so much if you do, this assignment is due in an hour.

Mathematics
2 answers:
klasskru [66]3 years ago
8 0
Question 8.
Lateral surface area of cylinder = 2πrh

The answer is B.) 2 • π • 3 • 7


Question 9.
Total surface area = 6 • (area of square)

The answer is D.) 6 (3 • 3)
andreyandreev [35.5K]3 years ago
7 0

Answer:

9 : D bc there are 6 cubes / squares then times tht by 3.3 cuz ur doin area.

8 : A

Step-by-step explanation:

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The surface area of sphere T is 452.16 units squared. The surface area of sphere X is 1808.64 units squared. how many times larg
Art [367]

Answer:

the radius of sphere X is 2 times larger than the radius of sphere T

Step-by-step explanation:

Given

Surface area of sphere, T =452.16

Surface area of sphere, X= 1808.64

how many times larger is the radius of sphere X than the radius of sphere T?

Finding radius of both spheres:

Surface area of sphere is given as

A=4πr^2

Now putting value of Ta=452.16 in above formula

452.16=4πrt^2

rt^2=452.16/4π

rt^2=35.98

Taking square root on both sides

rt=5.99

Now putting value of Xa=1808.64 in above formula

1808.64=4πrx^2

rx^2=1808.64/4π

rx^2=143.92

Taking square root on both sides

rx=11.99

Comparing radius of sphere X and the radius of sphere T

rx/rt=11.99/5.99

      = 2.00

rx=2(rt)

Hence the radius of sphere X is 2 times larger than the radius of sphere T!

3 0
3 years ago
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If a jeep averages 30.5 miles per gallon, how many miles will it travel on 14 gallons of gas?
Aleks04 [339]

Answer: 427 miles

Step-by-step explanation:

if the jeep averages 30.5 miles per gallon, and you have 14 gallons, then you will need to multiply 30.5*14 to get your answer, which is 427

7 0
1 year ago
3.5x - 11 = 20.5 what does x equal?
stepan [7]

Answer:

x=9

Step-by-step explanation:

3.5x - 11 = 20.5

Add 11 to each side

3.5x - 11+11 = 20.5+11

3.5x = 31.5

Divide each side by 3.5x

3.5x/3.5 = 31.5/3.5

x =9

7 0
3 years ago
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Can anyone answer me pls I need help
Afina-wow [57]

Answer:

4,9

Step-by-step explanation:

i looked it up on a website,uhhhhh i don't know if its completely write soooo.....

8 0
2 years ago
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Find the measure of
FrozenT [24]

Answer:

158.4 degrees.

Step-by-step explanation:

A line is 180 degress in total so subtract 21.6 from 180. Then you get 158.4

8 0
3 years ago
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